September 29, 2025BMC GenomicsOpen Access

Age-related reproductive performance and transcriptome profiling of testis in male blue catfish, Ictalurus furcatus

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Age significantly impacts sperm production, peaking at age 6 before declining thereafter.
Testosterone and 11-ketotestosterone levels remain stable after age 6, suggesting hormonal influence on reproduction is limited.
Transcriptomic analysis found 5220 differentially expressed genes, notably at age 7, affecting sperm motility characteristics.
Findings emphasize the importance of using 6- and 7-year-old males for improved hatchery efficiency in catfish farming.

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Investigative study reveals reproductive performance and transcriptomic changes linked to age in blue catfish, indicating optimal age for hatcheries.

Liyanage et al. (2025) studied this question.

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Investigative study reveals reproductive performance and transcriptomic changes linked to age in blue catfish, indicating optimal age for hatcheries.